APA

Ramos M. G., Villatoro M. A., Urquiaga S., Alves B. J. & Boddey R. M. (20020215). Quantification of the contribution of biological nitrogen fixation to tropical green manure crops and the residual benefit to a subsequent maize crop using 15N-isotope techniques. : Journal of biotechnology.

Chicago

Ramos M G, Villatoro M A, Urquiaga S, Alves B J and Boddey R M. 20020215. Quantification of the contribution of biological nitrogen fixation to tropical green manure crops and the residual benefit to a subsequent maize crop using 15N-isotope techniques. : Journal of biotechnology.

Harvard

Ramos M. G., Villatoro M. A., Urquiaga S., Alves B. J. and Boddey R. M. (20020215). Quantification of the contribution of biological nitrogen fixation to tropical green manure crops and the residual benefit to a subsequent maize crop using 15N-isotope techniques. : Journal of biotechnology.

MLA

Ramos M G, Villatoro M A, Urquiaga S, Alves B J and Boddey R M. Quantification of the contribution of biological nitrogen fixation to tropical green manure crops and the residual benefit to a subsequent maize crop using 15N-isotope techniques. : Journal of biotechnology. 20020215.